Finding the Third Proportional to 1,815,072 and 3,962,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,072 : 3,962,556 = 3,962,556 : x
2. Step 2: Convert to fraction form
   1,815,072/3,962,556 = 3,962,556/x
3. Step 3: Cross multiply
   1,815,072x = 3,962,556 × 3,962,556
4. Step 4: Simplify right side
   1,815,072x = 15,701,850,053,136
5. Step 5: Solve for x
   x = 15,701,850,053,136/1,815,072
6. Step 6: Final answer
   x = 8,650,813.88